Ruhlsdorf is a village and a civil parish of the German town of Strausberg, located in the district of Märkisch-Oderland in Brandenburg. With a population of 44 , it is the littlest one of its municipality.The village is situated at the eastern borders of its municipality, close to Hohenstein and in the territory of the Märkische Schweiz Nature Park. It is crossed by a road linking Strausberg and Buckow and, in south of the inhabited area, it lies a little lake named Ruhlsdorfer See.